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2 050 936

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C1

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IPC

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Application

93039693/26, 1993-08-04

(22)

Actual filing date

1993-08-04

(45)

Published

1995-12-27

(72)

Inventor

Batashova L.I.Djudjakov V.M.Pestun A.F.Sidorov G.M.Soldatenko L.A.Chebykin V.V.Shvajchenko Ju.P.Shcherbakova O.A.

(73)

Holder

Ehlektrostal'Skoe Nauchno-Proizvodstvennoe Ob"Edinenie

FILTER MEDIUM AND METHOD FOR ITS PRODUCTION Russian patent published in 1995 - IPC

Abstract RU 2050936 C1

FIELD: gas cleaning. SUBSTANCE: filter medium consists of air-permeable substrate and a layer of electrostatically charged ultrafine polymer fibers 0.8-8 mcm in diameter with their following amount in fibrous layer, mas. ultrafine polymer fiber with diameters of 0.8-3.5 mcm 60-70; ultrafine polymer fibers with diameters of 3.6-8 mcm 30-40. Method for production of the offered filter medium consists in spraying of fiber-forming fluid in high-voltage field at current ripple factor within 10% absolute air humidity of 10-15 mg/1 and temperature of 20-33 C. EFFECT: higher efficiency. 2 cl, 1 tbl

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RU 2 050 936 C1

Authors

Batashova L.I.

Djudjakov V.M.

Pestun A.F.

Sidorov G.M.

Soldatenko L.A.

Chebykin V.V.

Shvajchenko Ju.P.

Shcherbakova O.A.

Dates

1995-12-27—Published

1993-08-04—Filed

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